'use strict';
const db=uniCloud.database()
exports.main = async (event, context) => {
	//event为客户端上传的参数
	let res=''
	if(event._id){
		let id=event._id
		delete event._id
		res=await db.collection('vlog').doc(id).update(event)
	}else{
		res=await db.collection('vlog').add(event)
	}
	//返回数据给客户端
	return res
};
